Earth serves as our fragile and precious home. As far as scientists are aware, it's the only astronomical object known to harbor life. The Earth is at least 4.54 billion years old, and in that ...

The Earth's interior is composed of four layers, three solid and one liquid—not magma but molten metal, nearly as hot as the surface of the sun. The deepest layer is a solid iron ball ...

We came across a superb infographic released by Giraffe, who are childcare and early learning specialists, which states 50 awesome facts about Earth. The first one that caught our eye is that ...

Three key ingredients in natural selection are ... other scientists were already trying to explain the diversity of life on Earth. One such scientist was Jean-Baptiste Lamarck, a French researcher ...

Brr! But in sunlight near Earth, temperatures can swing to a boiling 250 degrees Fahrenheit. That's why astronauts wear reflective white spacesuits. Unimpeded, light can move at 299,792,458 meters ...